Recently, I overheard by chance some technically savvy guys saying that when you accept the terms of service in order to use the "free" WiFi at Starbucks (which you pay for when you buy some coffee), ...

At our office we have a router on the table, and the powers that be want to lock it down by MAC address to stop people from plugging in cables for other computers i.e. intruders.
Given that resetting ...

Someone sent the following email from my gmail account. I believe it was hacked and if I can find the IP address I may be able to identify the person who did it. Here is the information. Please let me ...

At my school they are requesting my MAC address so that I can use the schools Wi-Fi. Now I understand that the school can see what sites I am going to while I'm at school. But can the school see what ...

When posting questions, it is often quite useful to include debug output. However, it sometimes include the MAC address of my laptop, router, or both.
What are the possible dangers of releasing these ...

I always thought it's possible to track attackers unless they try to hide their identities using some form of "physical" disguise. No matter how many proxies you use even TOR seems to be traceable by ...

I'm looking for hints to solve my problem.
I would like to trace all devices that are in my surroundings.
I know how do it when someone already access to my WiFi network, but I'm also interested to ...

I have an ASUS RT-AC68U router and would like to set up port forwarding, but I would like to restrict which MAC addresses can connect through that port.
My use case is that I'll have a live camera, ...

So I'm just poking around the TCP/IP protocol using a Ruby library called PacketFu, and it seems to me that in each packet, it is possible to set all of the following
Source IP
Destination IP
Source ...

when i first got to my university i had to provide my MAC address to get access to the internet. What i want to know is what information can they get from having my MAC address linked to my name. i ...

It is clear that some big mall's are tracking all the wifi enabled mobile phones before they are connected to the network..how can it been done?
I have the similar issue.. how to get the MAC address ...

All this while, I assumed that switchport security is enough to prevent DHCP dos attack. If I set it maximum 1, there can be no more mac addresses packets.
But, a friend told me that using the tool, ...

There is an application which shows a login page. However, I do not want people to login through any machine. I want to restrict login to a few Mac Ids. Is there a way to do this?
There is probably a ...

Private network access security can be defined by a unique WPA2 passphrase to grant access to devices and MAC address filtering to control authorized devices. Nowadays mobile devices are legion, so if ...

If I know someone's ip, mac addresses and a computer name in a local wifi network, and also that there is skype running on their computer (and port), can send them a message through skype? Can I find ...

I’m considering enabling WoL (Wake on LAN) on the workstations on my network.
In order to boot a workstation using WoL I require its MAC address. I could store the MAC address in a database, however ...

Looks like nmap could fake source IP address, and getting a valid response, but only in LAN environment. I'm not sure how it works, here's my thought,
You created a packet with fake IP address and a ...

Even though router knows you are always there, what are some other things we can do rather than changing MAC address
Ok the thing is there is wireless access point(router) and a user(owner of router) ...

Suppose I use a proxy and a different virtual machine each time I visit a particular website, will a website still be able to detect my MAC address and/or uniquely identify me?
Assume that the website ...

When you sign into Bank of America for the first time on a computer that you haven't used with them before, they detect this and force you to answer one of your security questions. I think I've seen ...

I'm coding GENERIC_WEB_SERVICE, which could potentially be running as multiple instances on multiple machines down the line. I'm using UUIDs as identifiers, and haven't settled yet on whether to use ...

Will a USB modem send my computer's MAC address to the Internet service provider when I am using it?
I mean, if two computers use the same USB modem will the Internet service provider know that two ...

I have set up our home router to only allow certain MAC addresses to connect. One way to test if the filter is working is to spoof a MAC address not in the list and trying to connect to the router. So ...

I am using a linksys router with DD-WRT firmware with a WiBro internet connection, the ISP uses a hub with multiple user connected to it. The issue is that an unidentified MAC address seems to pop up ...